diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6234ee21..5fa2ed50 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,27 @@
+## [4.0.0](https://github.com/fingerprintjs/fingerprint-pro-server-api-php-sdk/compare/v3.1.0...v4.0.0) (2024-03-12)
+
+
+### ⚠ BREAKING CHANGES
+
+* change models for the most smart signals
+* make identification field `confidence` optional
+* deprecated `ipLocation` field uses `DeprecatedIpLocation` model
+
+### Features
+
+* add `linkedId` field to the `BotdResult` type ([13d1998](https://github.com/fingerprintjs/fingerprint-pro-server-api-php-sdk/commit/13d19989391b671d36a5b933daf64816476867f8))
+* add `originCountry` field to the `vpn` signal ([d3763f9](https://github.com/fingerprintjs/fingerprint-pro-server-api-php-sdk/commit/d3763f97d7f4909508abdfce5cec456de42727cf))
+* add `SuspectScore` smart signal support ([aad70df](https://github.com/fingerprintjs/fingerprint-pro-server-api-php-sdk/commit/aad70df86d2dbc76c4bf12ede7b229f9bd413b32))
+* change `url` field format from URI to regular String ([425576e](https://github.com/fingerprintjs/fingerprint-pro-server-api-php-sdk/commit/425576ee9eb5f2f775ef075a3dc394f05d4858e8))
+* fix `ipLocation` deprecation ([60c77d8](https://github.com/fingerprintjs/fingerprint-pro-server-api-php-sdk/commit/60c77d8f448ea5d3b469d77aca10829cb62281b2))
+* make identification field `tag` required ([fbcb954](https://github.com/fingerprintjs/fingerprint-pro-server-api-php-sdk/commit/fbcb9547cf6dfbd03b5de00e4ae6114b9f43b06d))
+* use shared structures for webhooks and event ([49480f9](https://github.com/fingerprintjs/fingerprint-pro-server-api-php-sdk/commit/49480f923b2bb19b6841522def6eac9aa0b64b67))
+
+
+### Bug Fixes
+
+* make fields required according to real API response ([d129f54](https://github.com/fingerprintjs/fingerprint-pro-server-api-php-sdk/commit/d129f54a8bad1c3df1c000b2a96337ffb90056c0))
+
 ## [3.1.0](https://github.com/fingerprintjs/fingerprint-pro-server-api-php-sdk/compare/v3.0.0...v3.1.0) (2024-02-13)
 
 
diff --git a/README.md b/README.md
index 1caf1376..e0a9122f 100644
--- a/README.md
+++ b/README.md
@@ -37,7 +37,7 @@
 This PHP package is automatically generated by the [Swagger Codegen](https://github.com/swagger-api/swagger-codegen) project:
 
 - API version: 3
-    - Package version: 3.1.0
+    - Package version: 4.0.0
 - Build package: io.swagger.codegen.v3.generators.php.PhpClientCodegen
 
 ## Requirements
diff --git a/composer.json b/composer.json
index cdc2408a..d27bc292 100644
--- a/composer.json
+++ b/composer.json
@@ -1,6 +1,6 @@
 {
     "name": "fingerprint/fingerprint-pro-server-api-sdk",
-    "version": "3.1.0",
+    "version": "4.0.0",
     "description": "Fingerprint Pro Server API provides a way for validating visitors’ data issued by Fingerprint Pro.",
     "keywords": [
         "swagger",
diff --git a/config.json b/config.json
index 6fcd1ebb..af27acf9 100644
--- a/config.json
+++ b/config.json
@@ -8,5 +8,5 @@
   "gitUserId": "fingerprintjs",
   "gitRepoId": "fingerprint-pro-server-api-php-sdk",
   "description": "Fingerprint Pro Server API provides a way for validating visitors’ data issued by Fingerprint Pro.",
-  "artifactVersion": "3.1.0"
+  "artifactVersion": "4.0.0"
 }
diff --git a/src/Api/FingerprintApi.php b/src/Api/FingerprintApi.php
index 01d8ef65..8672959b 100644
--- a/src/Api/FingerprintApi.php
+++ b/src/Api/FingerprintApi.php
@@ -63,7 +63,7 @@ class FingerprintApi
      */
     protected $headerSelector;
 
-    protected $integration_info = 'fingerprint-pro-server-php-sdk/3.1.0';
+    protected $integration_info = 'fingerprint-pro-server-php-sdk/4.0.0';
 
     /**
      * @param ClientInterface $client
diff --git a/src/Configuration.php b/src/Configuration.php
index aac2d4f3..86cd1ca5 100644
--- a/src/Configuration.php
+++ b/src/Configuration.php
@@ -90,7 +90,7 @@ class Configuration
      *
      * @var string
      */
-    protected $userAgent = 'Swagger-Codegen/3.1.0/php';
+    protected $userAgent = 'Swagger-Codegen/4.0.0/php';
 
     /**
      * Debug switch (default set to false)
@@ -431,7 +431,7 @@ public static function toDebugReport()
         $report .= '    OS: ' . php_uname() . PHP_EOL;
         $report .= '    PHP Version: ' . PHP_VERSION . PHP_EOL;
         $report .= '    OpenAPI Spec Version: 3' . PHP_EOL;
-        $report .= '    SDK Package Version: 3.1.0' . PHP_EOL;
+        $report .= '    SDK Package Version: 4.0.0' . PHP_EOL;
         $report .= '    Temp Folder Path: ' . self::getDefaultConfiguration()->getTempFolderPath() . PHP_EOL;
 
         return $report;